java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-18 15:05:36,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-18 15:05:36,794 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-18 15:05:36,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-18 15:05:36,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-18 15:05:36,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-18 15:05:36,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-18 15:05:36,815 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-18 15:05:36,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-18 15:05:36,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-18 15:05:36,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-18 15:05:36,842 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-01-18 15:05:36,855 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-18 15:05:36,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-18 15:05:36,856 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-18 15:05:36,856 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-18 15:05:36,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-18 15:05:36,857 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-18 15:05:36,857 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-18 15:05:36,857 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-18 15:05:36,857 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-18 15:05:36,858 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-18 15:05:36,858 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-18 15:05:36,858 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-18 15:05:36,858 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-18 15:05:36,858 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-18 15:05:36,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-18 15:05:36,859 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-18 15:05:36,859 INFO L133 SettingsManager]: * Use SBE=true [2019-01-18 15:05:36,860 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-18 15:05:36,860 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-18 15:05:36,860 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-18 15:05:36,860 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-18 15:05:36,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-18 15:05:36,861 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-18 15:05:36,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-18 15:05:36,861 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-18 15:05:36,861 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-18 15:05:36,861 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-18 15:05:36,862 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-18 15:05:36,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-18 15:05:36,862 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-18 15:05:36,862 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-18 15:05:36,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 15:05:36,863 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-18 15:05:36,863 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-18 15:05:36,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-18 15:05:36,863 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-18 15:05:36,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-18 15:05:36,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-18 15:05:36,864 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-18 15:05:36,864 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-18 15:05:36,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-18 15:05:36,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-18 15:05:36,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-18 15:05:36,922 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-18 15:05:36,923 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-18 15:05:36,924 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl [2019-01-18 15:05:36,924 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl' [2019-01-18 15:05:37,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-18 15:05:37,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-18 15:05:37,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-18 15:05:37,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-18 15:05:37,005 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-18 15:05:37,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-18 15:05:37,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-18 15:05:37,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-18 15:05:37,053 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-18 15:05:37,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... [2019-01-18 15:05:37,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-18 15:05:37,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-18 15:05:37,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-18 15:05:37,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-18 15:05:37,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:05:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 15:05:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-18 15:05:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-18 15:05:37,544 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-18 15:05:37,545 INFO L286 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-18 15:05:37,546 INFO L202 PluginConnector]: Adding new model mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:05:37 BoogieIcfgContainer [2019-01-18 15:05:37,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-18 15:05:37,547 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-18 15:05:37,547 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-18 15:05:37,547 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-18 15:05:37,548 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:05:37" (1/1) ... [2019-01-18 15:05:37,580 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 15:05:38,052 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-18 15:05:38,073 INFO L272 AbstractInterpreter]: Visited 5 different actions 17 times. Merged at 3 different actions 9 times. Widened at 1 different actions 1 times. Performed 302 root evaluator evaluations with a maximum evaluation depth of 4. Performed 302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-18 15:05:38,075 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-18 15:05:38,077 INFO L168 Benchmark]: Toolchain (without parser) took 1073.97 ms. Allocated memory is still 140.0 MB. Free memory was 107.1 MB in the beginning and 71.7 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2019-01-18 15:05:38,079 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-18 15:05:38,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.02 ms. Allocated memory is still 140.0 MB. Free memory was 107.1 MB in the beginning and 105.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-01-18 15:05:38,082 INFO L168 Benchmark]: Boogie Preprocessor took 32.86 ms. Allocated memory is still 140.0 MB. Free memory was 105.3 MB in the beginning and 104.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-01-18 15:05:38,083 INFO L168 Benchmark]: RCFGBuilder took 460.39 ms. Allocated memory is still 140.0 MB. Free memory was 104.1 MB in the beginning and 90.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-01-18 15:05:38,084 INFO L168 Benchmark]: Abstract Interpretation took 528.58 ms. Allocated memory is still 140.0 MB. Free memory was 90.4 MB in the beginning and 71.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-01-18 15:05:38,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.02 ms. Allocated memory is still 140.0 MB. Free memory was 107.1 MB in the beginning and 105.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.86 ms. Allocated memory is still 140.0 MB. Free memory was 105.3 MB in the beginning and 104.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 460.39 ms. Allocated memory is still 140.0 MB. Free memory was 104.1 MB in the beginning and 90.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 528.58 ms. Allocated memory is still 140.0 MB. Free memory was 90.4 MB in the beginning and 71.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 82]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L30] #NULL.base, #NULL.offset := 0, 0; [L31] #valid := #valid[0 := 0]; [L32] havoc main_#res; [L33] havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~post2, main_~i~8, main_#t~mem5, main_#t~post4, main_~i~9, main_~n~7, main_~x~7.base, main_~x~7.offset; [L34] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L35] main_~n~7 := main_#t~nondet0; [L36] havoc main_#t~nondet0; [L37] assume !!(0 <= main_~n~7 && main_~n~7 <= 1000); [L38] #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid; [L39] #Ultimate.alloc_~size := main_~n~7 * 4; [L40] havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L41] havoc #valid, #length; [L42] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0; [L43] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L44] assume #Ultimate.alloc_#res.offset == 0; [L45] assume #Ultimate.alloc_#res.base != 0; [L46] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L47] main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L48] main_~x~7.base, main_~x~7.offset := main_#t~malloc1.base, main_#t~malloc1.offset; [L49] main_~i~8 := 0; [L67] assume !(main_~i~8 < main_~n~7); [L68] main_~i~9 := 0; [L70] assume !!(main_~i~9 < main_~n~7); [L71] read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := main_~x~7.base, main_~x~7.offset + main_~i~9 * 4, 4; [L72] havoc read~int_#value; [L73] assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset]; [L74] main_#t~mem5 := read~int_#value; [L75] __VERIFIER_assert_#in~cond := (if main_#t~mem5 == 0 then 1 else 0); [L76] havoc __VERIFIER_assert_~cond; [L77] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L78] assume __VERIFIER_assert_~cond == 0; [L79] assume !false; [L82] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...